Report · 4aa56a5a-6ba4-45cc-8b66-7ebc8707c70b

Gemstone Identification Report #018-2026

Sapphire, Corundum — —

Issued

02/03/2026

Olena Rybnikova, PhD · GIA

Origin

Australia

Species
Sapphire, Corundum
Specimen
—
Variety
Pear
Weight
0.660 ct
Dimensions
6.5 x 5.0 x 2.8
R.I.
1.762 - 1.770
D.R.
0.008
Pleo.
Strong blue to yellowish green.
Chelsea
No reaction
Microscope
Straight blue color zoning, healed fracture with flux residues, feather with frosted appearance.
Treatment
Heated
Origin
Australia
Confirmed by Raman spectroscopy.